*Sunday, Feb. 8 -- A 90-voice all-Mozart program will be presented at 8 p.m. in Freeborn Hall at UC Davis, featuring the acclaimed Bay Area ensembles the American Bach Soloists and American Classical Soloists, joined by the Pacific Mozart Ensemble. Jeffrey Thomas, appointed in 1997 to the UC Davis music faculty, will direct this first concert appearance in the greater Sacramento area by these ensembles.